Got Homework?
Connect with other students for help. It's a free community.
Here's the question you clicked on:
 0 viewing

This Question is Open

RadEn Group TitleBest ResponseYou've already chosen the best response.0
what's interval for x ?
 one year ago

jadekelllly Group TitleBest ResponseYou've already chosen the best response.0
i have no clue, im doing the work sheet and that is all it says for this question
 one year ago

jadekelllly Group TitleBest ResponseYou've already chosen the best response.0
it says solve for x
 one year ago

dan815 Group TitleBest ResponseYou've already chosen the best response.0
dw:1371573363440:dw
 one year ago

dan815 Group TitleBest ResponseYou've already chosen the best response.0
remember complimentary angles
 one year ago

jadekelllly Group TitleBest ResponseYou've already chosen the best response.0
the answer choices are 20, 11, 10.75, or 11.75
 one year ago

dan815 Group TitleBest ResponseYou've already chosen the best response.0
forget your answers, understand concept
 one year ago

RadEn Group TitleBest ResponseYou've already chosen the best response.0
if just in the 1st quadrant. u can use the identity : cosx = sin(90x) cos(2x4)=sin(6x) sin(90(2x4))=sin(6x) 90(2x4) = 6x solve for x the result would be same like @dan817 said :)
 one year ago

RadEn Group TitleBest ResponseYou've already chosen the best response.0
oppss 815 not 817, hihi :)
 one year ago

dan815 Group TitleBest ResponseYou've already chosen the best response.0
do u see how complimentary angles work now
 one year ago

dan815 Group TitleBest ResponseYou've already chosen the best response.0
in a right angled triangle the 2 other angles must add up to 90
 one year ago

jadekelllly Group TitleBest ResponseYou've already chosen the best response.0
Im really slow at picking up these concepts.....:/ so this im reallly lost..
 one year ago

dan815 Group TitleBest ResponseYou've already chosen the best response.0
hmm how else can i explain it
 one year ago

jadekelllly Group TitleBest ResponseYou've already chosen the best response.0
btw i really appriciate the help you guysss!!
 one year ago

dan815 Group TitleBest ResponseYou've already chosen the best response.0
no lets do it between 4 to pi+4 for 1 interval of your cos(2x4)
 one year ago

RadEn Group TitleBest ResponseYou've already chosen the best response.0
hmmm.. for easier, solve this algebrically :) can u solve for x, this part : dw:1371574314002:dw
 one year ago

dan815 Group TitleBest ResponseYou've already chosen the best response.0
first solve an x that works and ill show u how u can find all the other xs that work
 one year ago

schadie Group TitleBest ResponseYou've already chosen the best response.0
dw:1371574763654:dw
 one year ago

Vitas Group TitleBest ResponseYou've already chosen the best response.0
cos(2x4)=cos(906x) a)2x4=906x+360k b)2x4=6x90+360k a)x=94/8+45k b)x=86/4+90k
 one year ago
See more questions >>>
Your question is ready. Sign up for free to start getting answers.
spraguer
(Moderator)
5
→ View Detailed Profile
is replying to Can someone tell me what button the professor is hitting...
23
 Teamwork 19 Teammate
 Problem Solving 19 Hero
 Engagement 19 Mad Hatter
 You have blocked this person.
 ✔ You're a fan Checking fan status...
Thanks for being so helpful in mathematics. If you are getting quality help, make sure you spread the word about OpenStudy.